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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Linux/PA-RISC Project (http://www.parisc-linux.org/)
*
* Floating-point emulation code
* Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
*/
/*
* BEGIN_DESC
*
* File:
* @(#) pa/fp/fpu.h $Revision: 1.1 $
*
* Purpose:
* <<please update with a synopis of the functionality provided by this file>>
*
*
* END_DESC
*/
#ifdef __NO_PA_HDRS
PA header file -- do not include this header file for non-PA builds.
#endif
#ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */
#define _MACHINE_FPU_INCLUDED
#if 0
#ifndef _SYS_STDSYMS_INCLUDED
# include <sys/stdsyms.h>
#endif /* _SYS_STDSYMS_INCLUDED */
#include <machine/pdc/pdc_rqsts.h>
#endif
#define PA83_FPU_FLAG 0x00000001
#define PA89_FPU_FLAG 0x00000002
#define PA2_0_FPU_FLAG 0x00000010
#define TIMEX_EXTEN_FLAG 0x00000004
#define ROLEX_EXTEN_FLAG 0x00000008
#define COPR_FP 0x00000080 /* Floating point -- Coprocessor 0 */
#define SFU_MPY_DIVIDE 0x00008000 /* Multiply/Divide __ SFU 0 */
#define EM_FPU_TYPE_OFFSET 272
/* version of EMULATION software for COPR,0,0 instruction */
#define EMULATION_VERSION 4
/*
* The only was to differeniate between TIMEX and ROLEX (or PCX-S and PCX-T)
* is thorough the potential type field from the PDC_MODEL call. The
* following flags are used at assist this differeniation.
*/
#define ROLEX_POTENTIAL_KEY_FLAGS PDC_MODEL_CPU_KEY_WORD_TO_IO
#define TIMEX_POTENTIAL_KEY_FLAGS (PDC_MODEL_CPU_KEY_QUAD_STORE | \
PDC_MODEL_CPU_KEY_RECIP_SQRT)
#endif /* ! _MACHINE_FPU_INCLUDED */
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